From: Salah Ahmed <txrubel@gmail.com>
Date: Wed, 3 Apr 2019 15:55:07 +0000 (-0500)
Subject: chan_pjsip: DTMF Mode auto_info fallback lead to both inband and info
X-Git-Tag: 17.0.0-rc1~114^2
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=5009d6d97aefc9e305b082899823dbb42c4d4813;p=thirdparty%2Fasterisk.git

chan_pjsip: DTMF Mode auto_info fallback lead to both inband and info

When the dtmf_mode on an endpoint is configured as "auto_info"
Asterisk will produce an inband DTMF tone alongside an INFO
message when sending DTMF.

ASTERISK-28371

Change-Id: I1380b82f006e110a1b83fbb50c9873edd13a5d9a
---

diff --git a/channels/chan_pjsip.c b/channels/chan_pjsip.c
index 55cd9edd56..e1b3b188ae 100644
--- a/channels/chan_pjsip.c
+++ b/channels/chan_pjsip.c
@@ -2016,7 +2016,7 @@ static int chan_pjsip_digit_begin(struct ast_channel *chan, char digit)
 		break;
 	case AST_SIP_DTMF_AUTO_INFO:
 		if (!media || !media->rtp || (ast_rtp_instance_dtmf_mode_get(media->rtp) == AST_RTP_DTMF_MODE_NONE)) {
-			return -1;
+			return 0;
 		}
 		ast_rtp_instance_dtmf_begin(media->rtp, digit);
 		break;